1418959987769 has 8 divisors (see below), whose sum is σ = 1451998653600. Its totient is φ = 1385923121856.

The previous prime is 1418959987763. The next prime is 1418959987789. The reversal of 1418959987769 is 9677899598141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1418959987769 is a prime.

It is a super-2 number, since 2×1418959987769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418959987763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216049 + ... + 2077665.

It is an arithmetic number, because the mean of its divisors is an integer number (181499831700).

Almost surely, 2^{1418959987769} is an apocalyptic number.

It is an amenable number.

1418959987769 is a deficient number, since it is larger than the sum of its proper divisors (33038665831).

1418959987769 is an equidigital number, since it uses as much as digits as its factorization.

1418959987769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899959.

The product of its digits is 2469035520, while the sum is 83.

The spelling of 1418959987769 in words is "one trillion, four hundred eighteen billion, nine hundred fifty-nine million, nine hundred eighty-seven thousand, seven hundred sixty-nine".